{"id":"vidhyamitra:city-day:perth:1863-08-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1863-08-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1863-08-12","date_display":"August 12, 1863 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1863,"month":8,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2401729.770833,"kali_year":4965,"ahargana":1813264.2708,"sun":{"sidereal_longitude":116.5691,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":87.5685,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":330.9994,"elapsed_within_tithi_degrees":6.9994},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":87.5685,"elapsed_within_degrees":7.5685},"yoga":{"number":16,"name":"Siddhi","sum_longitude":204.1376},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1863,"month":8,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2401729.770833,"ahargana":1813264.2708,"kali_year":4965,"ayanamsa_lahiri":21.9478,"grahas":{"sun":{"sidereal_longitude":116.845418,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":88.91541799999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false,"latitude":-3.0693},"mars":{"sidereal_longitude":135.738018,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":127.69901800000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":182.13971800000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":162.024318,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":161.70351800000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":224.5329,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":44.5329,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1863,"month":8,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2401729.770833,"kali_year":4965,"ahargana":1813264.2708,"sun":{"sidereal_longitude":116.5691,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":87.5685,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":330.9994,"elapsed_within_tithi_degrees":6.9994},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":87.5685,"elapsed_within_degrees":7.5685},"yoga":{"number":16,"name":"Siddhi","sum_longitude":204.1376},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.069,"elongation":29.001},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.069,"opposition_distance":150.999}},"eclipse_window_40days":[]},"city":{"slug":"perth","name":"Perth, Australia","lat":-31.9505,"lon":115.8605,"tz_offset_hours":8,"country":"AU","tier":"diaspora"},"tier2":{"city":{"slug":"perth","name":"Perth, Australia","lat":-31.9505,"lon":115.8605,"tz_offset_hours":8,"country":"AU","tier":"diaspora"},"sunriseLocal":"06:56","sunsetLocal":"17:46","solarNoonLocal":"12:21","dayLengthHours":10.837579871995084,"dayLengthDisplay":"10 Hours 50 Mins 15 Secs","nightLengthDisplay":"13 Hours 09 Mins 45 Secs","moonriseLocal":"05:24","moonsetLocal":"15:35","rahuKala":{"name":"Rāhu Kāla","start":"12:21","end":"13:43","startHours":12.354953347264054,"endHours":13.709650831263438,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:17","end":"09:39","startHours":8.290860895265897,"endHours":9.645558379265282,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:00","end":"12:21","startHours":11.000255863264668,"endHours":12.354953347264054,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:28","end":"09:50","startHours":9.464932048065364,"endHours":9.8261847104652,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:23","end":"07:41","startHours":7.3877292392663065,"endHours":7.676731369186175,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:43","startHours":11.993700684864216,"endHours":12.716206009663889,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:29","end":"06:13","startHours":5.491152761667166,"endHours":6.213658086466839,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:02","end":"06:56","startHours":6.03303175526692,"endHours":6.936163411266511,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:53","startHours":14.161216659263234,"endHours":14.883721984062905,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:34","end":"17:58","startHours":17.573743283261596,"endHours":17.973743283261594,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:46","end":"18:14","startHours":17.773743283261595,"endHours":18.22530911126139,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:31","end":"19:16","startHours":17.523743283261595,"endHours":19.273743283261595,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:43","startHours":23.993700684864216,"endHours":24.716206009663885,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:56","end":"08:17","startHours":6.936163411266511,"endHours":8.290860895265897,"quality":"auspicious"},{"name":"Amṛta","start":"08:17","end":"09:39","startHours":8.290860895265897,"endHours":9.645558379265282,"quality":"auspicious"},{"name":"Kāla","start":"09:39","end":"11:00","startHours":9.645558379265282,"endHours":11.000255863264668,"quality":"inauspicious"},{"name":"Śubha","start":"11:00","end":"12:21","startHours":11.000255863264668,"endHours":12.354953347264054,"quality":"auspicious"},{"name":"Roga","start":"12:21","end":"13:43","startHours":12.354953347264054,"endHours":13.709650831263438,"quality":"inauspicious"},{"name":"Udveg","start":"13:43","end":"15:04","startHours":13.709650831263438,"endHours":15.064348315262825,"quality":"inauspicious"},{"name":"Chala","start":"15:04","end":"16:25","startHours":15.064348315262825,"endHours":16.419045799262207,"quality":"neutral"},{"name":"Labha","start":"16:25","end":"17:46","startHours":16.419045799262207,"endHours":17.773743283261595,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:46","end":"19:25","startHours":17.773743283261595,"endHours":19.41904579926221,"quality":"inauspicious"},{"name":"Chala","start":"19:25","end":"21:04","startHours":19.41904579926221,"endHours":21.064348315262823,"quality":"neutral"},{"name":"Labha","start":"21:04","end":"22:43","startHours":21.064348315262823,"endHours":22.70965083126344,"quality":"auspicious"},{"name":"Amṛta","start":"22:43","end":"00:21","startHours":22.70965083126344,"endHours":24.354953347264054,"quality":"auspicious"},{"name":"Kāla","start":"00:21","end":"02:00","startHours":24.354953347264054,"endHours":26.00025586326467,"quality":"inauspicious"},{"name":"Śubha","start":"02:00","end":"03:39","startHours":26.00025586326467,"endHours":27.64555837926528,"quality":"auspicious"},{"name":"Roga","start":"03:39","end":"05:17","startHours":27.64555837926528,"endHours":29.290860895265897,"quality":"inauspicious"},{"name":"Udveg","start":"05:17","end":"06:56","startHours":29.290860895265897,"endHours":30.936163411266513,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:56","end":"07:56","startHours":6.936163411266511,"endHours":7.936163411266511,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:56","end":"08:56","startHours":7.936163411266511,"endHours":8.936163411266511,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:56","end":"09:56","startHours":8.936163411266511,"endHours":9.936163411266511,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:56","end":"10:56","startHours":9.936163411266511,"endHours":10.936163411266511,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:56","end":"11:56","startHours":10.936163411266511,"endHours":11.936163411266511,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:56","end":"12:56","startHours":11.936163411266511,"endHours":12.936163411266511,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:56","end":"13:56","startHours":12.936163411266511,"endHours":13.936163411266511,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:56","end":"14:56","startHours":13.936163411266511,"endHours":14.936163411266511,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:56","end":"15:56","startHours":14.936163411266511,"endHours":15.936163411266511,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:56","end":"16:56","startHours":15.936163411266511,"endHours":16.936163411266513,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:56","end":"17:56","startHours":16.936163411266513,"endHours":17.936163411266513,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:56","end":"18:56","startHours":17.936163411266513,"endHours":18.936163411266513,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:56","end":"19:56","startHours":18.936163411266513,"endHours":19.936163411266513,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:56","end":"20:56","startHours":19.936163411266513,"endHours":20.936163411266513,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:56","end":"21:56","startHours":20.936163411266513,"endHours":21.936163411266513,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:56","end":"22:56","startHours":21.936163411266513,"endHours":22.936163411266513,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:56","end":"23:56","startHours":22.936163411266513,"endHours":23.936163411266513,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:56","end":"00:56","startHours":23.936163411266513,"endHours":24.936163411266513,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:56","end":"01:56","startHours":24.936163411266513,"endHours":25.936163411266513,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:56","end":"02:56","startHours":25.936163411266513,"endHours":26.936163411266513,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:56","end":"03:56","startHours":26.936163411266513,"endHours":27.936163411266513,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:56","end":"04:56","startHours":27.936163411266513,"endHours":28.936163411266513,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:56","end":"05:56","startHours":28.936163411266513,"endHours":29.936163411266513,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:56","end":"06:56","startHours":29.936163411266513,"endHours":30.936163411266513,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":15.189813200705883,"eotMinutes":-4.739200835843176,"ayanamsa":21.9478}},"calendars":{"vikram_samvat":1920,"vikram_samvatsara":"Dhātṛ","saka_samvat":1785,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1270,"malayalam_era":1039,"nanakshahi_year":394,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa (Adhika) Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa (Adhika) Kṛṣṇa Trayodaśī · Vikram 1920 Dhātṛ · Śaka 1785 Rudhirodgāri"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"perth"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 12, 1863 CE · Perth, Australia · Vidhyamitra","description":"August 12, 1863 CE for Perth, Australia: Kṛṣṇa Trayodaśī, sūryodaya 06:56, sūryāsta 17:46.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1863-08-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1863-08-12","sa":"https://sa.vidhyamitra.com/city/perth/1863-08-12","hi":"https://hi.vidhyamitra.com/city/perth/1863-08-12","x-default":"https://vidhyamitra.com/city/perth/1863-08-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T20:19:42.449Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-06-01T20:19:42.449Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T20:19:42.449Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}